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在幼儿认识正方形的基础上,我试着采用了看看、比比、讲讲、撕撕的方法,让幼儿认识长方形,效果较好。老师先出示长方形纸和正方形纸,让幼儿观察,启发幼儿说出这两种几何图形的相同点(都有四条边、四个角,四个角一样大),再发给长方形纸和正方形纸以及小棒,让幼儿用小棒量一量、比一比,再折一折,启发幼儿找出它们的不同点(正方形的四条边一样长;长方形的上边和下边一样长,左边和右边一样长,上下两条边和左右两条边不一样长)。
Based on the children’s understanding of the square, I tried to use to see, Bibi, talk, tear method, so that children understand the rectangle, the effect is better. The teacher first showed the rectangular paper and the square paper so that the children observed and inspired the children to tell the same points of the two geometric figures (all with four sides, four corners and four corners), and sent them to rectangular paper and square paper And small sticks, so that children with a small amount of bar, than one, then fold a second, to inspire children to find out their differences (the same as the four sides of the square; rectangular as long as the upper and lower as long as the left and the same Long, up and down two sides and left and right sides are not the same length).